Výsledky vyhledávání - "D. M. Herlach"

Experimental investigation of the interaction of a dendritic solidification front with foreign particles

Autor: Matthias Kolbe, D. M. Herlach, T. Lierfeld, G. Eggeler

Publikováno v: Microgravity - Science and Technology. 18:170-173

Metal matrix composites (MMC) have many technical applications, e. g. in automotive industry, and have still a great potential. Usually they are produced by expensive powder metallurgy. Cost effective solidification of the material directly from a pa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17a36fc77031a3ac51169079adf837c1
https://doi.org/10.1007/bf02870403

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Gain-scheduled control of an electrostatic levitator

Autor: Heinz Unbehauen, G. Lohoefer, D. M. Herlach, Herbert Werner, T. Meister

Publikováno v: Control Engineering Practice. 11:117-128

A simple gain-scheduling approach to the position control of electrostatically levitated materials is presented. An electrostatic levitator is currently being constructed at the German Aerospace Center (DLR). It can be used for containerless processi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5082aee6d741f4e447de0eb33d0f5f8a
https://doi.org/10.1016/s0967-0661(02)00102-8

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Tagungsnachlese Hamburg: Arbeitskreis Festkörperphysik, Geschichte der Physik, Arbeitskreise Chancengleichheit sowie Physik und Abrüstung

Autor: Rolf J. Haug, Jochen Hennig, Ludwig Schultz, D. M. Herlach, Jürgen Altmann, Silke Bargstädt-Franke, Peter Hänggi, Christoph Pistner, Frank Richter, Götz Neuneck, Wolfgang Kleemann, Nikolaus Nestle, Herbert C. Freyhardt, Bernhard Kramer, Karl Jousten, Eberhard F. Wassermann, Hans-Peter Steinrück

Publikováno v: Physik Journal. 57:43-51

43 Dr. Nikolaus Nestle, Munchen W issenschaftliches Hauptthema der Physikertagung war die Festkorperphysik. Sie ist bekannterweise eine sehr aufregende, aber auch eine sehr anwendungsorientierte Wissenschaft. Besonders dieser Anwendungsaspekt wurde a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a9dd693ee677573031e39a47c212052
https://doi.org/10.1002/phbl.20010570719

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μSR on Co1−xPdx, an alloy exhibiting ferromagnetism in the liquid phase

Autor: D. Herlach, D. M. Herlach, C. Bührer, D. Platzek, Karl Maier, J. Reske, T. Albrecht

Publikováno v: Physica B: Condensed Matter. :232-235

Transverse-field measurements of the muon-spin precession frequency and relaxation rate in liquid supercooled and solid Co 1−x Pd x (0.1⩽x⩽0.3) show the characteristic behaviour of a ferromagnet. On decreasing the sample temperature from above

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50109c6855077740e1e9b42e6867faf4
https://doi.org/10.1016/s0921-4526(00)00375-6

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Observation of magnetically induced crystallization of undercooled Co-Pd alloys

Autor: D. Holland-Moritz, D. M. Herlach, Thomas Schenk

Publikováno v: Europhysics Letters (EPL). 50:402-408

The undercoolability of bulk samples of Co100 − xPdx alloys is investigated at four compositions (x = 18, 25, 30, 50) by application of the electromagnetic levitation technique. Each alloy is undercooled approximately 100 times under same experimen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b68c0eba8e44887adfb5db0cf6c79902
https://doi.org/10.1209/epl/i2000-00283-5

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[Untitled]

Autor: L. Q. Xing, D. M. Herlach

Publikováno v: Journal of Materials Science. 34:3795-3800

Zr57Cu20Al10Ni8Ti5 has very high glass forming ability (GFA) due to its low crystal growth rate which limits development of crystallites arising from container walls or nuclei. Effect of ZrO2 and SiO2 on GFA was studied by investigating the solidific

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db82064c2f86a7acd7e83f6ab7f981fa
https://doi.org/10.1023/a:1004648732247

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Magnetic ordering in a supercooled Co-Pd melt studied by muon-spin rotation

Autor: Karl Maier, C. Notthoff, D. M. Herlach, D. Herlach, J. Reske, D. Platzek, C. Bührer

Publikováno v: Europhysics Letters (EPL). 44:98-102

Liquid samples of Co80Pd20 were cooled below their liquidus temperature Tl and supercooled towards the paramagnetic-ferromagnetic transition temperature TC(l) by means of the Electromagnetic Levitation (EML) technique. Muon-Spin Rotation (μSR) measu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6647d090085208bb8a252c339392f815
https://doi.org/10.1209/epl/i1998-00441-9

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[Untitled]

Autor: D. M Herlach, D Li

Publikováno v: Journal of Materials Science. 32:1437-1442

Containerless solidification of germanium has been realized by electromagnetic levitation and drop-tube processing, respectively. The effect of undercooling in the range of 40–426 K on the as-solidified structures of levitation melted Ge drops (∼

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02ad2070f5319cee7449a628985fbe8b
https://doi.org/10.1023/a:1018593615171

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Short-range order of undercooled melts of PdZr2 intermetallic compound studied by X-ray and neutron scattering experiments

Autor: Kenneth F. Kelton, D. M. Herlach, Dirk Holland-Moritz, N. A. Mauro, Stefan Klein

The short-range order in undercooled melts of the intermetallic Zr2Pd glass-forming alloy is investigated by combining electrostatic levitation (ESL) with high-energy X-ray diffraction and neutron diffraction. Experimentally determined structure fact

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4713dbd1cd299bbbea91d3709dd9452e
https://doi.org/10.1209/0295-5075/102/36001

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Observation of a metastable phase during solidification of undercooled Nd–Fe–B alloy melts by in situ diffraction experiments using synchrotron radiation

Autor: J. Strohmenger, Jianrong Gao, Thomas Volkmann, D. M. Herlach

Publikováno v: Applied Physics Letters. 85:2232-2234

The electromagnetic levitation technique was combined with the diagnostic means at the European Synchrotron Radiation Facility in Grenoble to study in situ the phase selection during solidification of undercooled Nd–Fe–B melts. By energy dispersi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed1d5a5596964016fa40c97c7fbc0b9e
https://doi.org/10.1063/1.1794373

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